Ancient star streams, named Shiva and Shakti, may be Milky Way’s earliest building blocks

Galactic archaeologists who decode our galaxy’s complex family tree have discovered two more branches: primordial streams of thousands of stars near the heart of the Milky Way that may be two of its very first pieces from at least 12 billion years ago. The ancient clusters likely formed even before the Milky Way’s disk andContinue reading “Ancient star streams, named Shiva and Shakti, may be Milky Way’s earliest building blocks”
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